. Elementary text-book of zoology [electronic resource]. Zoology. The central cavity is the paragastric cavity. a number of radial canals^ some of them with thick walls and others with thin. The former open into the paragastric cavity by small contracted apertures and are called exhaknt canals, whilst the latter open by the pores to the exterior and are termed inlialenf canals. Further examination would show that the two sets of canals Fig. 38—Calcareous Tri- radiate Spicules of Sycandra [Grantia).. Highly Please note that these images are extracted from scanned page images that ma
. Elementary text-book of zoology [electronic resource]. Zoology. The central cavity is the paragastric cavity. a number of radial canals^ some of them with thick walls and others with thin. The former open into the paragastric cavity by small contracted apertures and are called exhaknt canals, whilst the latter open by the pores to the exterior and are termed inlialenf canals. Further examination would show that the two sets of canals Fig. 38—Calcareous Tri- radiate Spicules of Sycandra [Grantia).. Highly Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original Masterman, Arthur Thomas; Parsons, John Herbert, Sir, 1868-1957, donor; S. H. Lazarus (Firm); University College, London. Library Services. Edinburgh : E. & S. Livingstone
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Keywords: ., bookcentury1900, bookdecade1900, booksubjectzoology, bookyear1901
